How the telegraph shaped the American Civil War

HostIt's hard to imagine a world where news of a massive battle takes days or even weeks to reach the people in charge. Before the middle of the nineteenth century, if you were a leader during a war, you were basically flying blind once your troops marched away. But then the American Civil War happened, and suddenly, there were these thin copper wires stretching across the woods and fields. It changed everything about how the war was fought and how it felt to the people living through it. How did this new way of sending messages through a wire actually shift the way the North and South faced off?

GuestIt was a total shock to the system. Before this, the speed of war was the speed of a horse. If you wanted to tell a general to move his men, you wrote a note, handed it to a rider, and hoped he didn't get lost or shot. By the time the message arrived, the situation on the ground had usually changed. But when the telegraph came along, it was like the world suddenly shrank. For the first time in history, a president could sit in a quiet room in Washington and talk to his commanders on the front lines in almost real time. Abraham Lincoln basically lived in the telegraph office. He spent more time there than almost anywhere else because that was where the war was happening, at least in terms of the news. He would sit there for hours, reading the raw tapes as they came in, waiting for the latest click of the machine to tell him if his boys were safe or if a city had fallen.

HostThat sounds like a lot of power for one person to have, but I wonder if it actually made things better on the ground. I mean, does having a president looking over your shoulder from hundreds of miles away actually help a general win a fight?

GuestWell, that's where the friction started. Most of the generals absolutely hated it. They felt like they had a leash around their necks. Before the wire, a general was the king of his own little world. He made the calls because he was the only one there. Suddenly, you have Lincoln or the Secretary of War sending messages every hour asking why you're not moving faster or why you chose to turn left instead of right. It created this new kind of stress. It was the birth of micromanaging. There were times when generals would even "lose" their telegraph sets or claim the wires were down just so they could've some peace and make their own choices without someone back in the capital second-guessing them.

HostSo it was a tool for control, but it sounds like it was also really fragile. I keep thinking about those wires. They're just hanging out there in the open. It seems like it would be way too easy for someone to just walk up and cut them.

GuestIt was incredibly easy, and it happened all the time. Both sides had these units called the Signal Corps, and their whole job was basically playing a high-stakes game of cat and mouse with the wires. You would've guys climbing poles in the middle of the night to snip a line, which could leave an entire army cut off and silent for days. Or, even worse, they would tap into the wire. They would hook up their own little machine and listen to the clicks. If you could read the code, you knew exactly what the other side was planning before they even did it. It forced both the North and the South to start using secret codes and ciphers. This was really the start of modern electronic spying. The war wasn't just being fought with guns and bayonets; it was being fought with bits of electricity.

HostI guess that changes how the public sees the war, too. If the news is moving that fast, people at home aren't waiting months to find out if their sons are okay. They're seeing lists of the dead in the morning paper.

GuestThat's a huge point. The telegraph gave birth to the breaking news cycle. Reporters were right there on the edges of the battlefields, and as soon as the smoke cleared, they were racing to the nearest wire to send their stories back to New York or Chicago. This is actually why we have a specific way of writing news today. Reporters were worried the wires would be cut mid-way through their story, so they started putting the most important facts at the very top. Who won, how many died, and where it happened. They saved the flowery descriptions for the end just in case the line went dead. This meant the home front was hit with the raw, cold facts of the war almost instantly. It made the war feel much closer and much more brutal. People were living the war day by day instead of month by month.

HostBut did that speed lead to more mistakes? It seems like if everyone is in a rush to be first, they might start sending out rumors instead of the truth.

GuestOh, it was a mess. There were so many times when a newspaper would print a headline saying a general had been killed or a battle had been won, only to have to take it back the next day. The rush to get to the wire first was intense. And the government realized very quickly that they had to control that flow. They started censoring the telegraph offices. If a reporter tried to send a story that made the army look bad, the government might just block it. So, while the technology made the news faster, it also gave the people in power a new way to shape what the public actually believed about the war.

HostIt seems like the telegraph really stripped away the mystery of the battlefield.

GuestThe wire turned a slow, sprawling mess of a war into something that could be watched and managed from a single desk.

HostThose clicking machines turned the quiet offices in Washington into the true center of the fight.